Is there a recommended interval for changing my vehicle’s spark plugs?

Yes, the interval depends on each vehicle model’s specifications. Refer to your vehicle Owner’s Manual for guidance on when you should change your vehicle’s spark plugs.

Should I change all of my vehicle’s spark plugs at the same time?

Yes, when it is time for a scheduled spark plug replacement, all spark plugs should be changed. If a single spark plug is fouled or damaged outside of scheduled maintenance, finding the source of the damage and changing it is recommended.

Can I just clean my spark plugs instead of replacing them?

No, ACDelco does not recommend cleaning old spark plugs. Cleaning spark plugs does not repair broken components, chipped insulator tips, and worn electrodes and wires.

What is pre-ignition and can it damage my engine?

Yes, pre-ignition can cause serious damage to an engine. Pre-ignition, often accompanied by engine knocking sounds, air and fuel ignite in the engine before the spark plug fires. The condition commonly occurs when old spark plugs are worn or dirty.

Does a diesel engine require a different type of plug than a gas engine?

Yes, diesel engines require glow plugs instead of spark plugs. To learn what type of glow plugs or spark plugs your vehicle requires, refer to your vehicle Owner’s Manual for guidance.

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GM Original Equipment 41-122 (12681655) Iridium Spark Plug

Product ID: 27497166

Details

Brand
ACDelco
Core Material
Iridium
Thread Size
14mm
Top Material Type
Iridium
Vehicle Service Type
Motorcycle

⚡Iridium fine-wire electrode for superior ignition

🔇One-piece suppressor seal blocks RF interference

🛠️Vehicle-specific fit engineered by GM

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Description

⚡ Ignite your engine’s potential with GM’s precision-crafted iridium spark plug!

BACKED BY CONFIDENCE - 7-year unlimited mile limited warranty guarantees durability and peace of mind
ENGINEERED FOR YOUR RIDE - GM-designed and rigorously tested for perfect fit and peak performance in Chevrolet, Buick, GMC, and Cadillac motorcycles
SILENT STABLE IGNITION - Integrated suppressor seal prevents radio frequency interference, protecting your vehicle’s electronics
CARBON BUSTING PERFORMANCE - Fine-wire electrode actively burns away carbon deposits, ensuring long-lasting spark efficiency
PRECISION IRIDIUM ELECTRODE - Delivers unmatched cold starts and rapid acceleration with minimal wear

The ACDelco GM Original Equipment 41-122 Iridium Spark Plug is a vehicle-specific, iridium-tipped ignition component engineered by General Motors for motorcycles. It features a fine-wire electrode for enhanced cold starts and acceleration, a suppressor seal to block radio frequency interference, and is rigorously tested to meet OEM standards. Backed by a 7-year unlimited mile warranty, it ensures reliable, long-lasting engine performance.

Specifications

ASIN	B00DU2530W
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#201,105 in Automotive ( See Top 100 in Automotive ) #1,141 in Automotive Replacement Spark Plugs
Brand	ACDelco
Brand Name	ACDelco
Compatible with Vehicle Type	Motorcycle
Core Material	Iridium
Customer Reviews	4.5 out of 5 stars 314 Reviews
Included Components	Spark Plug
Item Type Name	Iridium Plugs - GM,Iridium Plugs - GM
Manufacturer	ACDelco
Manufacturer Part Number	12681655
Manufacturer Warranty Description	7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
Model Number	41-122
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	55585534
Thread Size	14mm
Top Material Type	Iridium
UPC	808709616856
Unit Count	1 Count
Vehicle Service Type	Motorcycle

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$25.10

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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